Rank	Countries/Territories	Count	Percent
1	United States	551	20.4%
2	China	478	17.7%
3	Canada	175	6.5%
4	Japan	174	6.4%
5	India	147	5.4%
6	Germany	145	5.4%
7	Netherlands	114	4.2%
8	United Kingdom	82	3%
9	Turkey	61	2.3%
10	Australia	60	2.2%
11	Portugal	57	2.1%
12	Korea, Republic of	56	2.1%
13	Taiwan	49	1.8%
14	Singapore	49	1.8%
15	Egypt	36	1.3%
16	Ireland	33	1.2%
17	Mexico	26	1%
18	Pakistan	25	0.9%
19	Iraq	25	0.9%
20	South Africa	20	0.7%
21	Hong Kong	19	0.7%
22	Iran, Islamic Republic of	18	0.7%
23	Sweden	16	0.6%
24	Thailand	15	0.6%
25	France	15	0.6%
26	Brazil	14	0.5%
27	Russia	14	0.5%
28	Indonesia	13	0.5%
29	Denmark	12	0.4%
30	Spain	12	0.4%
31	Uganda	11	0.4%
32	Ghana	11	0.4%
33	Saudi Arabia	10	0.4%
34	Malaysia	10	0.4%
35	Romania	9	0.3%
36	Italy	9	0.3%
37	Sri Lanka	8	0.3%
38	Ukraine	8	0.3%
39	Finland	7	0.3%
40	Belgium	7	0.3%
41	Bangladesh	6	0.2%
42	Israel	6	0.2%
43	Viet Nam	6	0.2%
44	Panama	6	0.2%
45	Nigeria	6	0.2%
46	Lebanon	6	0.2%
47	New Zealand	5	0.2%
48	Syrian Arab Republic	5	0.2%
49	Philippines	4	0.1%
50	Libya	4	0.1%
51	Latvia	4	0.1%
52	Ethiopia	4	0.1%
53	Cyprus	3	0.1%
54	Austria	3	0.1%
55	Slovakia	3	0.1%
56	Nepal	3	0.1%
57	Tanzania, United Republic of	3	0.1%
58	Zambia	2	0.1%
59	Lithuania	2	0.1%
60	Norway	2	0.1%
61	Oman	2	0.1%
62	Argentina	2	0.1%
63	Colombia	1	0%
64	Cote D'ivoire	1	0%
65	Estonia	1	0%
66	Georgia	1	0%
67	Kyrgyzstan	1	0%
68	Jordan	1	0%
69	Luxembourg	1	0%
70	Mauritius	1	0%
71	Morocco	1	0%
72	Serbia	1	0%